IHS Study Guide 2026
Everything you need to pass the IHS exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 IHS Exam Format at a Glance
📚 IHS Topics to Study (70)
✍️ Sample IHS Questions & Answers
1. When using a syringe to inject impression material, the nozzle should be positioned:
Starting at the otoblock and withdrawing as the material fills prevents air pockets from being trapped behind the material as it is injected.
2. The maximum comfortable loudness level (MCL) is typically measured during which type of audiometric procedure?
MCL is measured during loudness discomfort and dynamic range assessment, which is essential for hearing aid fitting to establish the patient's comfortable and tolerant listening range.
3. Reverberation time (RT60) is defined as the time required for sound pressure level to decrease by:
RT60 is the time it takes for the sound energy in a room to decay by 60 dB once the sound source ceases.
4. Absent distortion product OAEs (DPOAEs) with normal ABR thresholds most likely suggests:
Absent DPOAEs indicate outer hair cell dysfunction, while a normal ABR confirms that the auditory nerve and brainstem pathways are intact, suggesting isolated OHC damage.
5. A client's family member calls requesting details about the client's hearing evaluation results without the client's authorization. What should the specialist do?
HIPAA and IHS confidentiality standards prohibit releasing client health information to third parties without explicit written authorization.
6. The helicotrema is located:
The helicotrema is the small opening at the cochlear apex where the scala vestibuli and scala tympani communicate.